/Engine/Source/Runtime/Landscape/Public/LandscapeRender.h
Gives the primitive an opportunity to override MeshBatch arguments for a specific View Only called for a MeshBatch with a bViewDependentArguments property set
virtual void ApplyViewDependentMeshArguments ( const [FSceneView](API\Runtime\Engine\FSceneView) & View, [FMeshBatch](API\Runtime\Engine\FMeshBatch) & ViewDependentMeshBatch ) const